/*
* Basic client process for time accounting system, network version.
* This process (and those that are linked to it) are run as commands
* and send events to the server process.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdio.h>
#include "time_entry.h"
main(argc, argv)
int argc;
char *argv[];
{
int skt_id, /* Socket descriptor */
msg_sock, /* Socket that will accept messages */
i,j;
EVENT_TYPE event;
struct sockaddr_in sa; /* Socket address structure */
struct hostent *hp, /* Host entry pointer */
*gethostbyname(); /* Function to get hostinfo by name */
char buff[80];
/*
* Specify the socket domain and type we want...
*/
skt_id = socket(AF_INET, SOCK_STREAM, 0);
if(skt_id == -1){
perror("Can't create socket");
exit(1);
}
/*
* Now set up the address structure and connect to the socket.
*/
sa.sin_family = AF_INET;
hp = gethostbyname("utopia"); /* Running server on machine utopia */
if(!hp){
perror("Can't find utopia");
exit(1);
}
/*
* Copy the host address from the pointer retruned in the
* gethostbyname() call into the address member of the
* socket address structure.
*/
bcopy(hp->h_addr, &sa.sin_addr, hp->h_length);
/*
* For this example, the port number retruned when the server
* is started is enterd on the command line for the client.
* In reality, the port would be assigned or made available
* in some other manner.
*/
sa.sin_port = htons(atoi(argv[1]));
if(connect(skt_id, &sa, sizeof(sa)) == -1){
perror("Can't connect to socket");
exit(1);
}
build_event(argv[0], &event);
/*
* Now, send the event
*/
if(write(skt_id, &event, sizeof(event)) != sizeof(event)){
perror("Write");
exit(1);
}
/* Cleanup */
close(skt_id);
exit(0);
}